201457945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 266773248

約数和(自身を除く): 65315303

約数列:

[1, 5, 13, 65, 67, 167, 277, 335, 835, 871, 1385, 2171, 3601, 4355, 10855, 11189, 18005, 18559, 46259, 55945, 92795, 145457, 231295, 241267, 601367, 727285, 1206335, 3006835, 3099353, 15496765, 40291589, 201457945]

約数ペア:

[(1, 201457945), (5, 40291589), (13, 15496765), (65, 3099353), (67, 3006835), (167, 1206335), (277, 727285), (335, 601367), (835, 241267), (871, 231295), (1385, 145457), (2171, 92795), (3601, 55945), (4355, 46259), (10855, 18559), (11189, 18005)]